30 points Someone help im very confused. Which trigonometric function has a range that does not include a zero?
y=cosx
y=cotx
y=tanx
y=secx

Given the parent function of [tex]f(x)=x^4[/tex], what change will occur when the function is changed to [tex]f(\frac{1}{2} x)[/tex]?

Apatient is to take 60 mg of an antibiotic on day 1, take 45mg on days 2 and 3, take 30mg on days 4 and 5 and take 15 mg on days 6 and 7. how many total mg will the patient take?

Anyone know? will mark brainliest if correct